A341923 - cp's OEIS frontend

A341923 Array read by antidiagonals: T(n,k) is the number of 3-connected triangulations of a disk up to orientation-preserving isomorphisms with n interior nodes and k nodes on the boundary, n >= 1, k >= 3.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	5
7	1
8	2
9	10
10	24
11	1
12	3
13	16
14	60
15	133
16	1
17	3
18	28
19	122
20	386
21	846
22	1
23	4
24	39
25	242
26	925
27	2652
28	5661
29	1
30	4
31	58
32	419
33	2039
34	7066
35	18914
36	39556
37	1
38	5
39	78
40	711
41	4101
42	17138
43	54560
44	139264
45	286000
46	1
47	5
48	106
49	1128
50	7801
51	38166
52	142802
53	426462
54	1048947
55	2123329

[1, 1, 1, 1, 2, 5, 1, 2, 10, 24, 1, 3, 16, 60, 133, 1, 3, 28, 122, 386, 846, 1, 4, 39, 242, 925, 2652, 5661, 1, 4, 58, 419, 2039, 7066, 18914, 39556, 1, 5, 78, 711, 4101, 17138, 54560, 139264, 286000, 1, 5, 106, 1128, 7801, 38166, 142802, 426462, 1048947, 2123329]

cp's OEIS Frontend

A341923 Array read by antidiagonals: T(n,k) is the number of 3-connected triangulations of a disk up to orientation-preserving isomorphisms with n interior nodes and k nodes on the boundary, n >= 1, k >= 3.

Table of values

List of values